/* RESET CSS */
/*我改了*/
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
menu,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
main,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

img {
  -webkit-user-drag: none;  
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section {
  display: block;
}

/* HTML5 hidden-attribute fix for newer browsers */
*[hidden] {
  display: none;
}

menu {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: "";
  content: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color .3s;
}

a:hover {
  text-decoration: underline;
  color: #448ef6;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

body {
    height: 100vh;
    line-height: 1;
    background-color: #f4f5f7;
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto,
        Helvetica Neue, Arial, Noto Sans, sans-serif, apple color emoji,
        segoe ui emoji, Segoe UI Symbol, noto color emoji;
    color: #1d2129;
}

main {
    height: 80vh;
}

/* HEADER */
header {
    position: fixed;
    width: 100%;
    height: 60px;
    /*background: #fff;*/
    backdrop-filter: saturate(180%) blur(0.4rem);
    background-color: #1527c2;
    border-bottom: 1px solid #f1f1f1;
    box-shadow: 0px 4px 10px rgb(0 0 0 / 5%);
    z-index: 99;
    top: 0;
  }
  
  .logo-img {
    height: 70px;
  }
  
  .header-wrap {
    width: 80vw;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
  }
  
  .header-wrap ul {
    list-style: none;
  }
  
  .header-left,
  .header-right {
    height: 100%;
    display: flex;
    align-items: center;
  }
  
  .header-wrap h1 {
    font-size: 30px;
    font-weight: bold;
  }
  
  .header-wrap a {
    color:white;
  }
  
  .header-nav-left,
  .header-nav-right {
    display: flex;
    margin-left: 20px;
  }

  .header-nav-left li {
    margin-left: 20px;
  }

  .header-nav-right li {
    margin-right: 20px;
  }
  
  .header-left li:hover{
    font-weight: bolder;
  }

  .header-nav-left .active {
    font-weight: bolder;
  }
  

/* MAIN */

.container{
    display: flex;
    width: 80vw;
    margin: 0 auto;
    margin-top: 60px;
    padding: 20px 0;
    height: 100%;
    background-image: linear-gradient(to bottom right, rgba(97, 163, 225, 0.2), rgba(157, 190, 220, 0.2));
    border: solid;
}

/* FOOTER */
footer {
    width: 100%;
    text-align: center;
    margin: 60px 0;
    color: #86909c;
    font-size: 14px;
  }
  
footer div {
    line-height: 22px;
}
  
footer a {
    text-decoration: none;
    color: #1d2129;
}
